diff options
Diffstat (limited to 'debian/patches/1002-Fix-CVE-2011-4028-File-disclosure-vulnerability.full.patch')
-rw-r--r-- | debian/patches/1002-Fix-CVE-2011-4028-File-disclosure-vulnerability.full.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/debian/patches/1002-Fix-CVE-2011-4028-File-disclosure-vulnerability.full.patch b/debian/patches/1002-Fix-CVE-2011-4028-File-disclosure-vulnerability.full.patch new file mode 100644 index 000000000..a5437cacd --- /dev/null +++ b/debian/patches/1002-Fix-CVE-2011-4028-File-disclosure-vulnerability.full.patch @@ -0,0 +1,29 @@ +From df4a3b7270539843ae76275485ca76efcdf361d9 Mon Sep 17 00:00:00 2001 +From: Mike DePaulo <mikedep333@gmail.com> +Date: Sun, 8 Feb 2015 19:16:38 -0500 +Subject: [PATCH 02/40] Fix CVE-2011-4028: File disclosure vulnerability. + upstream xorg/xserver commit 6ba44b91e37622ef8c146d8f2ac92d708a18ed34 + +use O_NOFOLLOW to open the existing lock file, so symbolic links +aren't followed, thus avoid revealing if it point to an existing +file. +--- + nx-X11/programs/Xserver/os/utils.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/nx-X11/programs/Xserver/os/utils.c b/nx-X11/programs/Xserver/os/utils.c +index 9b2431a..79e49d5 100644 +--- a/nx-X11/programs/Xserver/os/utils.c ++++ b/nx-X11/programs/Xserver/os/utils.c +@@ -483,7 +483,7 @@ LockServer(void) + /* + * Read the pid from the existing file + */ +- lfd = open(LockFile, O_RDONLY); ++ lfd = open(LockFile, O_RDONLY|O_NOFOLLOW); + if (lfd < 0) { + unlink(tmp); + FatalError("Can't read lock file %s\n", LockFile); +-- +2.1.4 + |